Chitosan-Tripolyphosphate Nanoparticles of Mango Ginger (Curcuma mangga) Extract: Phytochemical Screening, Formulation, Characterization, and Antioxidant Activity, Muchtaromah, Bayyinatul, Wahyudi Didik, Ahmad Mujahidin, Ansori Arif Nur Muhamm, Annisa Rahmi, and Hanifah Lil , Pharmacognosy Journal, September 2021, Volume 13, Issue 5, p.1065-1071, (2021)